\[\left(\left(\left(\left(x \cdot \log y + z\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot i\]

\left(\left(\left(\left(x \cdot \log y + z\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot i

double f(double x, double y, double z, double t, double a, double b, double c, double i) {
        double r7993 = x;
        double r7994 = y;
        double r7995 = log(r7994);
        double r7996 = r7993 * r7995;
        double r7997 = z;
        double r7998 = r7996 + r7997;
        double r7999 = t;
        double r8000 = r7998 + r7999;
        double r8001 = a;
        double r8002 = r8000 + r8001;
        double r8003 = b;
        double r8004 = 0.5;
        double r8005 = r8003 - r8004;
        double r8006 = c;
        double r8007 = log(r8006);
        double r8008 = r8005 * r8007;
        double r8009 = r8002 + r8008;
        double r8010 = i;
        double r8011 = r7994 * r8010;
        double r8012 = r8009 + r8011;
        return r8012;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 
(FPCore (x y z t a b c i)
  :name "Numeric.SpecFunctions:logBeta from math-functions-0.1.5.2, B"
  (+ (+ (+ (+ (+ (* x (log y)) z) t) a) (* (- b 0.5) (log c))) (* y i)))

Backtrace

get-representation: Unknown representation #f		L	C
loop	/data/pavpan/nightlies/herbie/interface2/src/points.rkt	122	4
prepare-points	/data/pavpan/nightlies/herbie/interface2/src/points.rkt	146	0
setup-prog!34	/data/pavpan/nightlies/herbie/interface2/src/mainloop.rkt	67	0
run-improve43	/data/pavpan/nightlies/herbie/interface2/src/mainloop.rkt	339	0
(unnamed)	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	261	28
run	/opt/racket-7.0/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.0/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	261	28